Earlier today the Exchange CXP team released Update Rollup 1 for Exchange Server 2010 SP2 to the Download Center.
This update contains a number of customer-reported and internally found issues ...
Published Feb 13, 2012
Version 1.0
Blog Post
Still getting OWA search failures even after installing SP2 and rollup 1 on a single server deployment that has never had any roles changed.. Tried the procedures listed at http://blogs.technet.com/b/exchange/archive/2011/06/30/after-installing-exchange-2010-service-pack-1-searching-via-owa-or-outlook-online-mode-fails.aspx with no luck. Getting the 9877 / 0x80043629 error listed below.
Source: MSExchangeIS Mailbox Store
Date: 3/20/2012 7:54:47 PM
Event ID: 9877
Task Category: Content Indexing
Level: Error
Keywords: Classic
User: N/A
Description:
Content Indexing function 'CISearch::EcGetRowsetAndAccessor' received an unusual and unexpected error code from MSSearch.
Mailbox Database: Mailbox Database 1709003858
Error Code: 0x80043629